./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:09:58,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:09:58,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:09:58,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:09:58,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:09:58,184 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:09:58,185 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:09:58,186 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:09:58,186 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:09:58,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:09:58,188 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:09:58,188 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:09:58,189 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:09:58,189 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:09:58,190 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:09:58,191 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:09:58,191 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:09:58,192 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:09:58,192 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:09:58,193 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:09:58,194 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:09:58,195 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:09:58,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:09:58,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:09:58,197 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:09:58,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:09:58,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:09:58,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:09:58,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:09:58,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:09:58,200 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:09:58,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:09:58,201 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:09:58,202 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:09:58,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:09:58,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:09:58,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:09:58,205 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:09:58,205 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:09:58,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:09:58,206 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:09:58,206 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:09:58,207 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:09:58,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:09:58,207 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 [2023-11-25 00:09:58,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:09:58,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:09:58,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:09:58,576 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:09:58,576 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:09:58,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2023-11-25 00:10:01,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:10:02,624 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:10:02,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2023-11-25 00:10:02,812 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/bin/utaipan-verify-SwPr7d2a91/data/0100f21db/0078d2d7dc6142c9806a393be4c2e37c/FLAGacee3a8c5 [2023-11-25 00:10:02,832 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/bin/utaipan-verify-SwPr7d2a91/data/0100f21db/0078d2d7dc6142c9806a393be4c2e37c [2023-11-25 00:10:02,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:10:02,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:10:02,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:02,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:10:02,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:10:02,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:02" (1/1) ... [2023-11-25 00:10:02,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c014eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:02, skipping insertion in model container [2023-11-25 00:10:02,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:02" (1/1) ... [2023-11-25 00:10:03,101 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:10:07,987 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2023-11-25 00:10:07,992 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2023-11-25 00:10:08,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:08,121 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:10:08,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6268] [2023-11-25 00:10:08,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6275] [2023-11-25 00:10:08,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6282] [2023-11-25 00:10:08,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/dfaa16b/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6325-6326] [2023-11-25 00:10:08,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6331-6333] [2023-11-25 00:10:08,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6398] [2023-11-25 00:10:08,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6405] [2023-11-25 00:10:08,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [6448] [2023-11-25 00:10:08,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1, %0\n adcl %2, %0\n adcl %3, %0\n adcl $0, %0\n": "=r" (sum): "g" (daddr), "g" (saddr), "g" (((int )len + (int )proto) << 8), "0" (sum)); [6456-6457] [2023-11-25 00:10:08,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6530-6531] [2023-11-25 00:10:08,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6564-6565] [2023-11-25 00:10:08,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [6605-6606] [2023-11-25 00:10:08,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [6634-6635] [2023-11-25 00:10:08,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [7069-7070] [2023-11-25 00:10:08,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7076] [2023-11-25 00:10:08,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9121] [2023-11-25 00:10:08,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [9140] [2023-11-25 00:10:08,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9718] [2023-11-25 00:10:08,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [9774] [2023-11-25 00:10:08,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9910] [2023-11-25 00:10:08,435 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9914] [2023-11-25 00:10:08,436 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)next_rxd) [9923] [2023-11-25 00:10:08,437 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)next2_buffer) [9932] [2023-11-25 00:10:08,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10115] [2023-11-25 00:10:08,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (531), "i" (12UL)); [13444-13445] [2023-11-25 00:10:08,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (689), "i" (12UL)); [13611-13612] [2023-11-25 00:10:08,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (748), "i" (12UL)); [13668-13669] [2023-11-25 00:10:08,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (749), "i" (12UL)); [13679-13680] [2023-11-25 00:10:08,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (750), "i" (12UL)); [13690-13691] [2023-11-25 00:10:08,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (777), "i" (12UL)); [13723-13724] [2023-11-25 00:10:08,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (804), "i" (12UL)); [13756-13757] [2023-11-25 00:10:08,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (841), "i" (12UL)); [13786-13787] [2023-11-25 00:10:08,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (842), "i" (12UL)); [13797-13798] [2023-11-25 00:10:08,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (843), "i" (12UL)); [13808-13809] [2023-11-25 00:10:08,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (873), "i" (12UL)); [13842-13843] [2023-11-25 00:10:08,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/intel/ixgb/ixgb_hw.c"), "i" (900), "i" (12UL)); [13875-13876] [2023-11-25 00:10:08,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/intel/ixgb/ixgb_ee.c"), "i" (312), "i" (12UL)); [14682-14683] [2023-11-25 00:10:08,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/intel/ixgb/ixgb_param.c"), "i" (242), "i" (12UL)); [16545-16546] [2023-11-25 00:10:08,774 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2023-11-25 00:10:08,774 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2023-11-25 00:10:08,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:09,138 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:10:09,146 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:10:09,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:09 WrapperNode [2023-11-25 00:10:09,148 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:09,149 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:10:09,149 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:10:09,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:10:09,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:09" (1/1) ... [2023-11-25 00:10:09,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:09" (1/1) ... [2023-11-25 00:10:09,829 INFO L138 Inliner]: procedures = 574, calls = 6432, calls flagged for inlining = 280, calls inlined = 247, statements flattened = 13294 [2023-11-25 00:10:09,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:10:09,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:10:09,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:10:09,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:10:09,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:09" (1/1) ... [2023-11-25 00:10:09,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:09" (1/1) ... [2023-11-25 00:10:09,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:09" (1/1) ... [2023-11-25 00:10:09,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:09" (1/1) ... [2023-11-25 00:10:10,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:09" (1/1) ... [2023-11-25 00:10:10,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:09" (1/1) ... [2023-11-25 00:10:10,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:09" (1/1) ... [2023-11-25 00:10:10,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:09" (1/1) ... [2023-11-25 00:10:10,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:10:10,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:10:10,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:10:10,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:10:10,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:09" (1/1) ... [2023-11-25 00:10:10,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:10,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:10:10,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:10:10,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb210962-d839-443e-918f-cfa74eeb980a/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:10:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-25 00:10:10,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-25 00:10:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:10:10,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:10:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-25 00:10:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-25 00:10:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2023-11-25 00:10:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2023-11-25 00:10:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:10:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:10:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2023-11-25 00:10:10,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2023-11-25 00:10:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-25 00:10:10,824 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-25 00:10:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-25 00:10:10,852 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-25 00:10:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-25 00:10:10,852 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-25 00:10:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-25 00:10:10,853 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-25 00:10:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2023-11-25 00:10:10,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2023-11-25 00:10:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2023-11-25 00:10:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2023-11-25 00:10:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2023-11-25 00:10:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2023-11-25 00:10:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2023-11-25 00:10:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2023-11-25 00:10:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-25 00:10:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-25 00:10:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-25 00:10:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-25 00:10:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2023-11-25 00:10:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2023-11-25 00:10:10,856 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2023-11-25 00:10:10,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2023-11-25 00:10:10,856 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-25 00:10:10,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-25 00:10:10,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:10:10,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:10:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-25 00:10:10,857 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-25 00:10:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-25 00:10:10,857 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-25 00:10:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2023-11-25 00:10:10,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2023-11-25 00:10:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-25 00:10:10,858 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-25 00:10:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:10:10,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:10:10,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:10:10,859 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-25 00:10:10,859 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-25 00:10:10,859 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2023-11-25 00:10:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2023-11-25 00:10:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-25 00:10:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-25 00:10:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2023-11-25 00:10:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2023-11-25 00:10:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-25 00:10:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-25 00:10:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-25 00:10:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-25 00:10:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:10:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2023-11-25 00:10:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2023-11-25 00:10:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2023-11-25 00:10:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2023-11-25 00:10:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-25 00:10:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-25 00:10:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2023-11-25 00:10:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2023-11-25 00:10:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:10:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:10:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:10:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2023-11-25 00:10:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2023-11-25 00:10:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2023-11-25 00:10:10,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2023-11-25 00:10:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:10:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2023-11-25 00:10:10,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2023-11-25 00:10:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-25 00:10:10,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-25 00:10:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-25 00:10:10,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-25 00:10:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:10:10,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:10:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-25 00:10:10,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-25 00:10:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-25 00:10:10,879 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-25 00:10:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-25 00:10:10,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-25 00:10:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-25 00:10:10,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-25 00:10:10,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-25 00:10:10,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-25 00:10:10,880 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2023-11-25 00:10:10,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2023-11-25 00:10:10,881 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-25 00:10:10,881 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-25 00:10:10,881 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-25 00:10:10,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-25 00:10:10,881 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2023-11-25 00:10:10,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2023-11-25 00:10:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2023-11-25 00:10:10,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2023-11-25 00:10:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2023-11-25 00:10:10,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2023-11-25 00:10:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:10:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-25 00:10:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-25 00:10:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-25 00:10:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-25 00:10:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:10:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-25 00:10:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-25 00:10:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:10:10,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:10:10,887 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-25 00:10:10,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-25 00:10:10,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:10:10,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:10:10,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:10:10,888 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2023-11-25 00:10:10,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2023-11-25 00:10:10,888 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2023-11-25 00:10:10,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2023-11-25 00:10:10,889 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:10:10,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:10:10,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-25 00:10:10,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-25 00:10:10,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-25 00:10:10,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-25 00:10:10,890 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2023-11-25 00:10:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2023-11-25 00:10:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-25 00:10:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-25 00:10:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2023-11-25 00:10:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2023-11-25 00:10:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2023-11-25 00:10:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2023-11-25 00:10:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2023-11-25 00:10:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2023-11-25 00:10:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-25 00:10:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-25 00:10:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-25 00:10:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-25 00:10:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-25 00:10:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-25 00:10:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2023-11-25 00:10:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2023-11-25 00:10:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2023-11-25 00:10:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2023-11-25 00:10:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2023-11-25 00:10:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2023-11-25 00:10:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-25 00:10:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-25 00:10:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-25 00:10:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-25 00:10:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2023-11-25 00:10:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2023-11-25 00:10:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:10:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:10:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-25 00:10:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-25 00:10:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-25 00:10:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-25 00:10:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:10:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:10:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:10:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:10:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-25 00:10:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-25 00:10:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-25 00:10:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-25 00:10:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-25 00:10:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-25 00:10:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2023-11-25 00:10:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2023-11-25 00:10:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-25 00:10:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-25 00:10:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2023-11-25 00:10:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2023-11-25 00:10:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-25 00:10:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-25 00:10:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-25 00:10:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-25 00:10:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-25 00:10:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-25 00:10:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2023-11-25 00:10:10,914 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2023-11-25 00:10:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2023-11-25 00:10:10,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2023-11-25 00:10:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-25 00:10:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-25 00:10:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-25 00:10:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-25 00:10:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-25 00:10:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-25 00:10:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-25 00:10:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-25 00:10:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:10:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-25 00:10:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-25 00:10:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-25 00:10:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-25 00:10:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:10:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-25 00:10:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-25 00:10:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:10:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:10:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:10:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-25 00:10:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-25 00:10:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-25 00:10:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-25 00:10:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-25 00:10:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-25 00:10:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:10:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:10:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-25 00:10:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-25 00:10:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2023-11-25 00:10:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2023-11-25 00:10:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2023-11-25 00:10:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2023-11-25 00:10:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-25 00:10:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-25 00:10:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-11-25 00:10:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-11-25 00:10:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-25 00:10:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-25 00:10:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-25 00:10:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-25 00:10:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2023-11-25 00:10:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2023-11-25 00:10:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-25 00:10:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-25 00:10:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2023-11-25 00:10:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2023-11-25 00:10:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-25 00:10:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-25 00:10:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-25 00:10:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-25 00:10:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:10:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2023-11-25 00:10:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2023-11-25 00:10:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-25 00:10:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-25 00:10:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:10:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:10:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2023-11-25 00:10:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2023-11-25 00:10:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-25 00:10:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-25 00:10:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2023-11-25 00:10:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2023-11-25 00:10:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-25 00:10:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-25 00:10:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-11-25 00:10:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-11-25 00:10:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2023-11-25 00:10:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2023-11-25 00:10:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2023-11-25 00:10:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2023-11-25 00:10:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-25 00:10:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-25 00:10:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2023-11-25 00:10:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2023-11-25 00:10:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2023-11-25 00:10:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2023-11-25 00:10:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2023-11-25 00:10:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2023-11-25 00:10:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2023-11-25 00:10:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2023-11-25 00:10:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2023-11-25 00:10:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2023-11-25 00:10:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:10:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:10:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-25 00:10:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-25 00:10:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-25 00:10:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-25 00:10:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-25 00:10:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-25 00:10:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-25 00:10:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-25 00:10:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:10:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:10:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:10:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-25 00:10:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2023-11-25 00:10:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2023-11-25 00:10:12,297 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:10:12,302 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:10:12,676 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:10:40,553 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:10:45,927 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:10:45,927 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:10:45,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:45 BoogieIcfgContainer [2023-11-25 00:10:45,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:10:45,933 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:10:45,933 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:10:45,937 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:10:45,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:10:02" (1/3) ... [2023-11-25 00:10:45,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56db5acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:10:45, skipping insertion in model container [2023-11-25 00:10:45,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:09" (2/3) ... [2023-11-25 00:10:45,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56db5acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:10:45, skipping insertion in model container [2023-11-25 00:10:45,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:45" (3/3) ... [2023-11-25 00:10:45,940 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2023-11-25 00:10:45,961 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:10:45,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-25 00:10:46,072 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:10:46,080 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1c26d403, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:10:46,080 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-25 00:10:46,098 INFO L276 IsEmpty]: Start isEmpty. Operand has 2684 states, 1574 states have (on average 1.2325285895806861) internal successors, (1940), 1613 states have internal predecessors, (1940), 969 states have call successors, (969), 139 states have call predecessors, (969), 138 states have return successors, (965), 952 states have call predecessors, (965), 965 states have call successors, (965) [2023-11-25 00:10:46,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-25 00:10:46,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:46,151 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:10:46,152 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:10:46,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:46,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1225555866, now seen corresponding path program 1 times [2023-11-25 00:10:46,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:10:46,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012571869] [2023-11-25 00:10:46,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:46,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:10:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat